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Preprints of the Keldysh Institute of Applied Mathematics, 2006, 085, 28 pp. (Mi ipmp633)  
Influence of defects on electromagnetic fields in the problem of diagnostic of ferromagnetic pipes

N. A. Zaitsev, I. L. Sofronov
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Abstract: We describe further modifications of the multigrid solver for 3D frequency domain Maxwell equations in cylindrical geometry proposed in previous preprint of the Keldysh Inst.Appl. Maths., No. 128, 2005. Here we incorporate an approach of embedded grids and introduce real arithmetic in operations with the main matrix. Both modifications enhance about 3–5 times the capability of the solver (1.5x due to real arithmetic and 2x–4x due to embedded grids). Smaller details of geometry can be also resolved now on PC owing to safe of memory.
Document Type: Preprint
Language: English
Citation: N. A. Zaitsev, I. L. Sofronov, “Influence of defects on electromagnetic fields in the problem of diagnostic of ferromagnetic pipes”, Keldysh Institute preprints, 2006, 085, 28 pp.
Citation in format AMSBIB
\Bibitem{ZaiSof06}
\by N.~A.~Zaitsev, I.~L.~Sofronov
\paper Influence of defects on electromagnetic fields in the problem of diagnostic of ferromagnetic pipes
\jour Keldysh Institute preprints
\yr 2006
\papernumber 085
\totalpages 28
\mathnet{http://mi.mathnet.ru/ipmp633}
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    		Препринты Института прикладной математики им. М. В. Келдыша РАН
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